geodetic, ispls, harn framework workgroup/committee
DESCRIPTION
Geodetic, ISPLS, HARN Framework Workgroup/Committee. Tie Card Project Lorraine Wright INGISI representative. Participants. INGISI members ( state, county, local, private ) Indiana Society of Professional Land Surveyors ( ISPLS ) Office of the Indiana State Geodetic Advisor ( HARN ) - PowerPoint PPT PresentationTRANSCRIPT
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Geodetic, ISPLS, HARN Framework
Workgroup/Committee
Tie Card Project
Lorraine WrightINGISI representative
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Participants• INGISI members (state, county, local, private)• Indiana Society of Professional Land
Surveyors (ISPLS)• Office of the Indiana State Geodetic
Advisor (HARN)• Indiana County Surveyors Association• Private Companies• Indiana University and Indiana Geological
Survey
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Purpose• Original purpose: to develop a Statewide
Framework of Geodetic information
– The federal government maintains most of the data
– Link to the National Geodetic Control site for Geodetic Control
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Surveyors • Survey data is the basis for:
– Geodetic Control
– Cadastral - PLSS Control
– Boundary information
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Purpose • Develop a state-wide framework layer of
PLSS corner information - Cadastral Framework
– The workgroup determined that the Tie Card Project would be the most beneficial project in the absence of coordinate data
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Purpose
• Develop a process to enable Counties (to link the Tie Cards to a GIS
– The Tie Card is the basic building block (documentation) for the PLSS Corner
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Pilot Project
• Develop a pilot project with a county
– Bartholomew County agreed to be the pilot county
– Work through the entire process and document it so other counties would benefit from having the process developed
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Equipment for the Pilot
• INGISI and ISPLS worked together to purchased equipment through a grant
– 2 laptops– 2 scanner/printer/copiers were purchased
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Pilot Project -Phase I
Develop a file naming convention for the scanned tie cards that could be utilized State-wide
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File Naming Convention • Surveyor use descriptions to describe a
Public Land Survey Section corner (ex. NE 1/4, NE 1/4, NE1/4, Section 03,T23N, R06W
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File Naming Convention• IN02_T23NR06E03_08
Computer File Name will include – (example)• State Name and Prime Meridian – IN02• Township number - T23• Township direction – N • Range number – R06• Range direction – E • Section – 03• Grid Number – 08 (Grid numbering system begins
with 0 in upper left hand of section and ends in 80, bottom right corner)
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Phase II
• Develop a Point Grid that could be used to link to the scanned tie cards
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Phase II
• Develop a method to be able to link the scanned Tie Cards to a map
– Renaming Software developed by Brian Wood, Paul I. Cripe, Inc.
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Phase II
• Develop the GIS Point Grid Map
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Phase III
• Scan tie cards
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Phase IV
• Rename scanned tie cards with a meaningful name
– file naming convention
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Phase V
• Link the scanned images to the Tie Card - Point Grid GIS Layer
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Cookbook
• Develop a cookbook defining process:
– Scan tie cards
– Rename scanned tie card
– Link tie cards to Point Grid map
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Pilot Project
• Status• Bartholomew County Pilot
– Currently data being verified for quality and completeness
– Will deliver the project to the County in an ArcReader Project
– All the data can be included in their GIS or can be used as an ArcReader Project
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Statewide Project
• Data Storage – possibly IU Mass Storage
• State-wide Tie Card Layer
– Combine Tie Card Layer with
– Data from Counties that already have data on their website